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Search results for: ASPHALT MIX
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Equivalent temperature for design of airport pavements using mechanistic-empirical methods
PublicationThe paper presents implementation of equivalent temperature for design of airport asphalt pavements. The calculation methods of equivalent temperature: the Shell method, the French method and method that use the Asphalt Institute fatique criteria were presented. An example of calculations of equivalent temperature for Gdansk Airport was introduced and discussed. It was shown that methods of calculation of equivalent temperature...
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Series of MI[Co(bpy)3][Mo(CN)8]·nH2O (MI = Li (1), K (2), Rb (3), Cs (4); n = 7−8) Exhibiting Reversible Diamagnetic to Paramagnetic Transition Coupled with Dehydration−Rehydration Process
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Orzeczenie dotyczące oceny stanu technicznego konstrukcji podjazdu do budynku MIR-PIB w Gdyni ul. Kołłątaja 1, w związku z planowanym ułożeniem nowej nawierzchni
PublicationW opracowani przeprowadzono analizę stanu technicznego zasadniczych elementów konstrukcji podjazdu wraz z określeniem ich możliwości nośnych ( także elementów uszkodzonych).
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Sestaveni Smerne Krivky Modulu Tuhosti Pro Zkoumani Nizkotrplotnich Vlastnosti (Developing of Stiffness Master Curve for Analysis of Low Temperature Properties)
PublicationV prispevku je predstaven novy postup pro sestrojeni smernych tuhostnich krivek. Nizkoteplotni vlastnosti asfaltove smesi byly stanoveny za vyuziti zkousky dotvarovani pri tribodovem ohybu. Motivem tohoto vyzkumu je skutecnost, ze metody hodnoceni nizkoteplotniho chovani asfaltovych smesi, nove zavedenych v Polsku, nejsou dostatecne. V zaveru jsou prezentovany smerne krivky tuhosti beznych asfaltovych smesi vyuzivanych v Polsku.
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Noise measurements on low noise pavements - problems with inhomogeneity of wearing course
PublicationDuring the last several years, when performing numerous CPX noise measurements on low noise pavements,significant inhomogeneity of the wearing course was observed in numerous cases. Similar problems were almost not existing regarding to the dense pavements.In general three main reasons of inhomogeneity can be defined. The first one are imperfections in technology of production of a asphalt mix or/and errors made already during...
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The innovative approach for using pavement as a fire prevention measure in tunnels
PublicationThe paper consists of two main parts: first presents study regarding the typically used pavement structures in tunnels and the second part: the first fire trials of the poroelastic SEPOR (Safe, Eco-friendly POroelastic Road Surface) mixture which was designed to be used among other uses in tunnels. In the first part of the paper different pavement materials, such as cement concrete, asphalt concrete, stone mastic asphalt and porous...
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Właściwości niskotemperaturowe betonów asfaltowych o wysokim module sztywności (AC-WMS) w badaniach trzypunktowego zginania
PublicationArtykuł przedstawia właściwości niskotemperaturowe betonów asfaltowych o wysokim module sztywności. Przedstawione wyniki zostały uzyskane w dwóch badaniach zginania trzypunktowego próbek belkowych: ze stałą prędkością przemieszczenia oraz pod stałym obciążeniem. Obie te metody są od dawna stosowane na Politechnice Gdańskiej do oceny właściwości niskotemperaturowych betonów asfaltowych. Badaniu poddano pięć betonów asfaltowych –...
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Przegląd metod wyznaczania parcia mieszanki betonowej na deskowanie
PublicationW pracy poruszono tematykę wyznaczania parcia mieszanki betonowej na deskowanie. Zebrano i opisano wybrane cztery modele stosowane do wyznaczania rozkładu ciśnienia poziomego świeżej mieszanki betonowej oddziaływującej na deskowanie. Dokonano krótkiego przeglądu literatury z zakresu omawianej tematyki parcia mieszanki betonowej na deskowanie.
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Accidents, victims and risk levels on regional roads in pomorskie voivodeship, 2019 - Municipality areas
Open Research DataData contain the number of accidents, victims, accident costs divided on municipality areas (119 areas) on regional roads (voivodeship roads) in pomorskie voivodeship in 2019. Measures used to assess the level of social risk are (5 classes: low, low to medium, medium, medium to high, high):
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Accidents, victims and risk levels on regional roads in pomorskie voivodeship, 2019 - Poviat areas
Open Research DataData contain the number of accidents, victims, accident costs divided on poviat areas (16 areas) on regional roads (voivodeship roads) in pomorskie voivodeship in 2019. Measures used to assess the level of social risk are (5 classes low, low to medium, medium, medium to high, high):
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Mechanical properties of single V2O5 nanocrystal - nanoindentation measurement in control of the max-load
Open Research DataThe DataSet contains the nanoindentation curves (indentation force Fn vs penetrationPd) for a single V2O5 nanocrystal supported on a substrate. The measurements were performed in control of the maximum load of Berkovich indenter force from 2 to 50 mN.
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Mechanical properties of single V2O5 nanocrystal - nanoindentation measurement in control of the max-depth
Open Research DataThe DataSet contains the nanoindentation curves (indentation force Fn vs penetrationPd) for a single V2O5 nanocrystal supported on a substrate. The measurements were performed in control of the maximum depth of Berkovich indenter penetration: 60, 70, and 100 nm.
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Short-term measurement of physiological parameters - teenager (5 min) - 3.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) 7.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (20 min) 2.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (20 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (10 min)_3.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (10 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) 6.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) - 2.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) - 5.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) - 6.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Short-term measurement of physiological parameters - teenager (5 min) - 4.series
Open Research DataThe data set was obtained during the project focus on the determination of changes in physiological parameters due to a stressful situation.The measurements were conducted with the system which consists e.g. sensors of temperature, skin resistance, and pulse.Short-term (5 minutes) measurements of physiological parameters were performed on the healthy...
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Cold recycled mixtures for binder courses - laboratory evaluation of mechanical properties
PublicationCold recycled mixtures composed with cement and bituminous emulsion are nowadays commonly used material for base layer. Typical pavement with cold recycled mixtures usually consists of two asphalt courses (wearing and binding course) constructed over cold recycled base. Therefore the next step in cold recycling is possibility of design of binding courses with recycled materials, but with potential to obtain high quality mixtures...
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Kwalifikowanie technologii lutowania twardego próżniowego stali austenitycznej zgodnie z wymaganiami przepisów ASME BPVC, sekcja IX
PublicationW artykule przedstawiono procedurę kwalifikowania technologii lutowania twardego w piecu próżniowym na przykładzie elementów ze stali wysokostopowej nierdzewnej austenitycznej łączonych lutem miedzianym z grupy F-No. 105, zgodnie z przepisami ASME Sec. IX, part QB (ASME Boiler and Pressure Vessel Code. Qualification Standard for Welding, Brazing and Fusing; Procedures; Welders; Brazers; and Welding, Brazing and Fusing Operators)....
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Video traffic data - Interchange Komorniki (A2-5), Poland, 2018
Open Research DataThe data includes video traffic data registered with 12 video cameras at weaving area (weaving section type A) of the Komorniki interchange within A2 motorway in Poland (interchange of motorway A2 and national road 5), located in the Poznan Agglomeration. The data covers the two days: 8.09.2017 (motorway A2) and 19.09.2017 (road 5).
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Upadłość - mit klęski, czy szansa na odrodzenie. [online] Dostęp [5.12**2002]. Dostępny w Internecie http:// boss.zie.pg.gda.pl/~pb/uko.pdf [9 s. 1 rys. bibliogr. 21 poz.]
PublicationW artykule przedstawiono definicję upadłości z punktu widzenia prawa i eko-nomii. Ukazano również klasyfikację upadłości wg różnych kryteriów orazfunkcję i tok postępowania upadłościowego. Ponadto zwrócono uwagę na przypa-dki celowego doprowadzenia przedsiębiorstw do upadku. Podjęto także rozprawęnad podejściem do samego procesu i celowości istnienia instytucji upadku.
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Neufunde von fossilen Harzen aus dem Mitteldeutschen Braunkohlenrevier
PublicationEs werden einige Neufunde von fossilen Harzen aus ded tertiaren Braunkohlenvorkommen Mitteldeutschlands aus Sachsen-Anhalt vorgestellt. Die Fundstucke wurden mit dem Vergleichsmaterial der Harzammulung des Geiseltalmuseums in Halle/Saale und den privaten Harzsammlungen von G. Krumbiegiel und R. Wimmer makropetrographisch verglichen. Sie werden erstmalig beschrieben und die Ergebnisse der Infrarotabsorptions-Spektroskopie prasentiert.
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Ultra Low Noise Poroelastic Road Surfaces
PublicationNoise is one of the most important environmental problems related to road traffic. During the last decades, the noise emitted by the engines and powertrains of vehicles was greatly reduced and tires became a clearly dominant noise source. The article describes the concept of low noise poroelastic road surfaces that are composed of mineral and rubber aggregate bound by polyurethane resin. Those surfaces have a porous structure and...
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Poroelastic Low Noise Road Surfaces
PublicationNoise is one of the most important problems related to road traffic. During the last decades, noise emitted by engine and powertrain of vehicles was greatly reduced and tyres became a clearly dominant noise source. The paper describes the concept of low noise poroelastic road surfaces that are composed with mineral and rubber aggregate bound by polyurethane resin. Those surfaces have a porous structure and are much more flexible...
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IX Kongres Technologii Chemicznej TECHEM 2018
EventsPodczas Kongresu zaprezentowane będą osiągnięcia naukowe i wdrożenia. Zaplanowano pięć sekcji: pozyskiwanie surowców, wytwarzanie produktów podstawowych i specjalistycznych, nowe technologie, biotechnologia przemysłowa.
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Polymer Modified Bitumen
PublicationIn this paper we present the benefits of using polymers as an asphalt modifiers, especially the low molecular weight reactive compounds, which are capable of forming an polymer network with bitumen "in situ" in the process of its modification.
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The Role of Hypoxia-Inducible Factor-1α, Glucose Transporter-1, (GLUT-1) and Carbon Anhydrase IX in Endometrial Cancer Patients
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Marketing usług w języku cybernetyki.
PublicationW artykule zaproponowano koncepcję systemu marketingu usług na przykładzie firmy usługowej składającej się z kierownika i personelu świadczącego usługi. W zakresie tego systemu wyróżniono marketing wewnętrzny (mix I), marketing zewnętrzny (mix II) oraz marketing interakcyjny (mix III).
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XRD (X-ray Diffraction) patterns of PMH, PMD and simulated MIL-53(Al)
Open Research DataThese data contain XRD (X-ray Diffraction) patterns of PMH, PMD and simulated MIL-53(Al). The results were recorded by a Philipsdiffractometer using Cu Ka radiation. Sample abbreviations (PMH, PMD, MIL-53(Al)) are in agreement with the markings used in the linked publication.
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MIC/MBC values of the investigated extracts of propolis. Interactions of selected extracts with azoles and echinocandins.
Open Research DataThis dataset contains results of our investigation aiming in determination of antimicrobial potential of the propolis extracts produced in our laboratory. The propolis samples were delivered by Polish beekeepers. Moreover in this dataset we presented results of our investigation aiming in assessment of interaction of the selected extracts of propolis...
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Badania mieszanek mineralno-asfaltowych w niskiej temperaturze
PublicationW artykule przedstawiono metody badań w niskiej temperaturze betonu asfaltowego przeznaczonego do warstwy ścieralnej. Przedstawione zostały wyniki badań dla 4 różnych metod badawczych: zginania, pełzania, pośredniego rozciągania oraz rozciągania termicznego przy ograniczonym odkształceniu (test TSRST). Próbki betonu asfaltowego były przygotowywane w laboratorium z wykorzystaniem 3 rodzajów asfaltów: asfaltu zwykłego, asfaltu modyfikowanego...
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Evaluation of Pavement Temperatures in Poland During Winter Conditions
PublicationThe paper presents the analysis of pavement temperatures from meteorological stations located at the Polish national roads during the impact of low winter temperatures. Presented issue is particularly important in view of the problem of low-temperature cracks that occur in the asphalt pavement under the influence of low temperatures. For each location of meteorological station there were analysed measurements of the temperature...
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Killing kinetics analysis of C-1311 derivative with octaarginine (Compound 1-R8) against Candida albicans
Open Research DataThe datasets contain the results of killing kinetics analysis of imidazoacridinone derivative and fluconazole against C. albicans ATCC 10231. The suspensions of Candida albicans ATCC 10231 cells (500 µL) in RPMI 1640 at cell density of 104 cells /mL were added to 500 µL of RPMI 1640 medium with various concentrations of the compounds, corresponding...
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Ekspertyza techniczna dotycząca określenia możliwości nośnych wybranych elementów konstrukcji rotundy w budynku Akwarium Gdyńskiego MIR-PIB, Gdynia al. Jana Pawła II 1, w aspekcie planowanych prac modernizacyjnych
PublicationWykonano analizę statyczno - wytrzymałościową żelbetowej konstrukcji nośnej budynku rotundy Akwarium Morskiego (stropy, słupy) w aspekcie planowanej modernizacji obiektu.
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Deflection measurement of field section with pavement with base course made of Cement Bitumen Treated Material Mixture C3E4 (28, 180, 270, 365 days after compaction)
Open Research DataDataset presents data of deflections determined for pavement with base course made of cold recycled mixture – cement bitumen treated material mixture with following binding agents: 3% cement, 4% emulsion (C3E4). Mixture was designed according to Polish requirements for the base course of pavement. Mixture was mixed in stationary plant and compacted...
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Video traffic data - Interchange Sulno (S1-94), Poland
Open Research DataThe data includes video traffic data registered with 8 video cameras at weaving area (weaving section type A) of the Sulno interchange within S1 expressway in Poland (interchange of expressway S1 and national road 94), located in the Silesian Agglomeration. The data covers the two days: 12.09.2017 (expressway S1) and 13.09.2017 (road 94).
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Katedra Inżynierii Drogowej. Zakład Budowy Dróg.
PublicationDepartment of Highway Engineering is divided into two divisions: Road Construction Division and Traffic Engineering Division. The head of Road Construction Division is Prof. J. Judycki. There are nine members of division: professor, three PhD, two MSc, two technicians and secretary. The main areas of research activities are: analysis of flexible, semi-rigid and rigid pavements, resistance of asphalt pavement to permanent deformation,...
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The Influence of Binding Agents on Stiffness of Mineral-cement-emulsion Mixtures
PublicationThis paper attempts to determine the behavior of mineral-cement-emulsion mixture (MCE) under load, whether is it similar to asphalt mixtures (viscoelastic behavior) or to cement treated materials (elastic behavior). To answer this question nine mineral- cement-emulsion mixtures with different combinations of cement and emulsion content were tested in laboratory using Simple Performance Test (SPT). For each mixture stiffness moduli...
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Concrete Compressive Strength Under Changing Environmental Conditions During Placement Processes
PublicationThe technological process of concrete production consists of several parts, including concrete mix design, concrete mix production, transportation of fresh concrete mix to a construction site, placement in concrete framework, and curing. Proper execution of these steps provides good quality concrete. Some factors can disturb the technological process, mainly temperature and excessive precipitation. Changing daily temperature and...
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Ekspertyza techniczna dotycząca możliwości zainstalowania zbiornika na wodę o pojemności 10 m3 na poziomie III piętra budynku rotundy Akwarium Gdyńskiego MIR-PIB, Gdynia Aleja Jana Pawła II 1
PublicationW opracowaniu wykonano analizę statyczno- wytrzymałościową istniejącej żelbetowej belki stropowej w celu określenia jej nośności.
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Tyre/road noise reduction of poroelastic road surface tested in a laboratory
PublicationA so-called poroelastic road surface (PERS) is being developed in Europe. This contains a large percentage of rubber particles mixed with hard aggregate (stone and sand) and bound with polyurethane. This gives high air void content (around 30 %), high elasticity and smooth texture, all of which should give low noise properties. Inthis experiment anominally 30 mm thick sample of PERS was mounted on a steel drum. Various car tyres...
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Analysis of effect of overloaded vehicles on fatigue life of flexible pavements based on weigh in motion (WIM) data
PublicationOverloaded vehicles have a significant impact on pavement fatigue life and distress. As the studies show, the phenomena intensify when the control of traffic is poor. The paper presents the results of the research including analysis of weigh in motion data from eight stations and analysis of asphalt pavement fatigue caused by mixed traffic. Distributions of vehicles axles load including the multiple axles effects are presented....
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Sylwester Kaczmarek dr hab. inż.
PeopleSylwester Kaczmarek received his M.Sc in electronics engineering, Ph.D. and D.Sc. in switching and teletraffic science from the Gdansk University of Technology, Gdansk, Poland, in 1972, 1981 and 1994, respectively. His research interests include: IP QoS and GMPLS and SDN networks, switching, QoS routing, teletraffic, multimedia services and quality of services. Currently, his research is focused on developing and applicability...
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Video traffic data - Interchange Zakrzewo (S11-307), Poland
Open Research DataThe data includes video traffic data registered with 8 video cameras at weaving area (weaving section type A) of the Zakrzewo interchange within S11 expressway in Poland (interchange of expressway S11 and regional road 307), located in the Poznan Agglomeration. The data covers the two days: 20.09.2017 (expressway S11) and 21.09.2017 (road 307).
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Antibiotic resistance in Staphylococcus aureus strains isolated from cows with mastitis in the eastern Poland and analysis of susceptibility of resistant strains to alternative non-antibiotic agents: lysostaphin, nisin and polymyxin B.
PublicationThe aim of the studies was analysis of resistance of Staphylococcus aureus isolates from bovine mastitis in eastern part of Poland to a set of 20 antibiotics and three alternative agents: lysostaphin, nisin and polymyxin B. Eighty-six out of 123 examined isolates were susceptible to all of 20 tested antibiotics (70 %). The highest percentage of resistance was observed in the case of β-lactam antibiotics: amoxicillin (n=22, 17.9...
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IX Gdański Międzynarodowy Festiwal Chóralny – koncert galowy
EventsIX Gdański Międzynarodowy Festiwal Chóralny – koncert galowy. Wstęp wolny.